Question

if∆is an operation such that a∆b=2a +b+3 then find the value of 5∆3

plise give answer of class 6 ​

Answer 1

Answer:

3 * 5 + 5 * 3 = (2 * 3 - 3 * 5 + 3 * 5) + ( 2 * 5 - 3 * 3 + 5 * 3)

= (6 + 10 - 9 + 15) = 22.

Subject: Simplification - Quantitative Aptitude - Arithmetic Ability